The magic tree house is back with a message from Morgan le Fay telling Jack and Annie to seek out "The Gray Ghost" and listen to her story, and immediately they are whisked away to Nepal where they meet Tenzin, a climber who has recently lost his family, and who takes them up the mountain to meet a snow leopard and renew himself.

Twelve-year-old Silas is awoken in the dead of night by three menacing horsemen who take his father away. Silas is left shaken, scared, and alone, except for the presence of his companion, Mittenwool...who happens to be a ghost. When a pony shows up at his door, Silas makes the courageous decision to leave his home and embark on a perilous journey to find his father. Along the way, he will face his fears to unlock the secrets of his past and explore...

When the god of thunder's hammer goes missing, Magnus Chase and his friends are tasked with retrieving it before an onslaught of giants attacks the mortal world.

Magnus Chase has always been a troubled kid. Since his mother's mysterious death, he's lived alone on the streets of Boston, surviving by his wits, keeping one step ahead of the police and the truant officers. One day, he is tracked down by a man he's never met -- a man his mother claimed was dangerous. The man tells him an impossible secret: Magnus is the son of a Norse god. The Viking myths are true. The gods of Asgard are preparing for war. Trolls,...